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Marlin 336w .30-30 - Split shoulders on cases

Discussion in 'Gunsmithing and Repairs' started by Tarheel59, Nov 25, 2012.

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  1. Tarheel59

    Tarheel59 Member

    Joined:
    Oct 1, 2011
    Messages:
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    Location:
    Chattanooga
    I bought a used 336w in .30-30. The rifle looks brand new.

    Shooting Winchester factory ammo - the cases split at the shoulder on the angled part of the case - a short approximate 1/4" split running up the shoulder, not around the circumference of the case.... The cases did not appeared to be swelled abnormally - just a tiny little split in the case, on new cartridges/brass. Extraction was a little sticky as well.

    What do you think - a bad box of ammo or is this is an indication of a problem with the rifle. I have not tried other ammo.

    Thoughts?

    Tarheel59
     
  2. rcmodel

    rcmodel Member in memoriam

    Joined:
    Sep 17, 2007
    Messages:
    59,082
    Location:
    Eastern KS
    Unless the rifle has been re-chambered to 30-30 AE, I would bet it is just a bad lot of brass.

    Does the shoulder angle and body taper of the fired case match the unfired factory brass?

    If it does, I'd buy another box of ammo of a different brand and try that before you get too excited just yet.

    rc
     
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